221120744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{8273}}^1$

素因数の和:8549

約数の個数: 32

約数和(自身を含む): 448285320

約数和(自身を除く): 227164576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 2056, 3341, 6682, 8273, 13364, 16546, 26728, 33092, 66184, 107549, 215098, 430196, 860392, 2126161, 4252322, 8504644, 17009288, 27640093, 55280186, 110560372, 221120744]

約数ペア:

[(1, 221120744), (2, 110560372), (4, 55280186), (8, 27640093), (13, 17009288), (26, 8504644), (52, 4252322), (104, 2126161), (257, 860392), (514, 430196), (1028, 215098), (2056, 107549), (3341, 66184), (6682, 33092), (8273, 26728), (13364, 16546)]